HIVIZ Adjustable Rear Sight for Ruger Mark I II III and IV pistols.

Improve the performance of your Ruger MK I, II, III and IV with the new adjustable rear sight. Our bright and fully adjustable rear sight will enhance your confidence and shooting experience.Features:Interchangeable LitePipe designIncludes green, red and black LitepipesAll steel constructionLitePipe diameter 0.070Windage and elevation click adjustmentLimited lifetime warranty under normal conditions and proper use of firearmFits Ruger Mark I, II, III and IV pistols; 22/45 with adjustable rear sight including the 22/45 LITE.